BS ISO IEC 24723 pdf download – Information technology — Automatic identification and data capture techniques — GS1 composite bar code symbology specification

BS ISO IEC 24723 pdf download – Information technology — Automatic identification and data capture techniques — GS1 composite bar code symbology specification
1 Scope
This International Standard defines the requirements for the GS1 Composite symbology. It specifies the GS1Composite symbology characteristics, data character encodation，symbol formats，dimensions and printquality requirements,error correction rules, and reference decoding algorithms. For those linear and 2Dcomponents of GS1 Composite symbols with published symbology specifications，those published specifications apply, except as specifically noted in this International Standard.
2Normative references
The following referenced documents are indispensable for the application of this document.For datedreferences,only the edition cited applies. For undated references,the latest edition of the referenceddocument (including any amendments) applies.
ISO/IEC 15415,Information technology— Automatic identification and data capture techniques — Bar codeprint quality test specification — Two-dimensional symbols
ISO/IEC15416, Information technology — Automatic identification and data capture techniques— Bar codeprint quality test specification — Linear symbols
ISO/IEC 15417,Information technology – Automatic identification and data capture techniques -Code 128bar code symbology specification
ISO/IEC 15420，Information technology – Automatic identification and data capture techniques— EANUPCbar code symbology specification
ISO/IEC 15438,Information technology — Automatic identification and data capture techniques— PDF417bar code symbology specification
ISO/IEC 19762-1，Information technology— Automatic identification and data capture (AIDC) techniques —Harmonized vocabulary — Part 1: General terms relating to AIDC
ISO/IEC 19762-2,Information technology— Automatic identification and data capture (AIDC) techniques —Harmonized vocabulary – Part 2: Optically readable media(ORM)
ISO/IEC 24728,Information technology—Automatic identification and data capture techniques—MicroPDF417 bar code symbology specification
GS1 General Specifications (GS1,Brussels, Belgium)
3Terms, definitions,abbreviated terms and mathematical operators3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in lSOIEC 19762-1,ISOIEC 19762-2 andthe following apply.
3.1.1
2D componentcc
two-dimensional portion of a GS1 Composite symbol, which encodes supplemental information about an item,such as its lot number or expiration date
3.1.2
Al element string
character string containing an application identifier followed by its associated data field
3.1.3
cC-A
2D component that is a structural variant of MicroPDF417
NOTE 1 CC-A components can be autodiscriminated from MicroPDF417 symbols, because CC-A components have aunique Rotation of 32 between any two adjacent Row Address Patterns.
NOTE 2 CC-A is one of the three choices for the 2D component in a symbol encoded in the GS1 Compositesymbology.
3.1.4
cC-B
2D. component that is a MicroPDF417 symbol which begins with PDF417 codeword 920， indicatingconformance with this International Standard
NOTE CC-B is one of the three choices for the 2D component in a symbol encoded in the Gs1 Compositesymbology.
3.1.5
cc-c
2D component that is a PDF417 symbol which begins with PDF417 codeword 920, indicating conformancewith this International Standard
NOTE cc-C is one of the three choices for the 2D component in a symbol encoded in the Gs1 Composiesymbology.
3.1.6
linear component
linear portion of a GS1 Composite symbol, which encodes the primary identification of an item
3.1.7
linkage flag
indicator encoded in a GS1 DataBar or GS1-128 component to signal if a 2D component accompanies thelinear component
3.1.8
RAP Rotation
difference between the number designating a Center or Right Row Address Pattem and the numberdesignating the nearest Row Address Pattermn to the left, in the same row of a MicroPDF417 symbol, or acc-A or cc-B component
3.1.9
Row Address PatternRAP
one of a set of patterns made up of three bars and three spaces occupying ten modules, that serve both asstart or stop patterns and as row indicators in a MicroPDF417 symbol, or a CC-A or CC-B component
3.1.10
separator pattern
pattern between the linear and 2D components of a GS1 Composite symbol
3.1.11
symbol separator character
non-data character that is used to break the transmitted data string into separate transmissions，eachbeginning with the appropriate symbology identifier prefix
3.2Abbreviated terms
Al
Application ldentifier
3.3 Mathematical operators and notational conventions
For the purposes of this document, the following mathematical operators apply.
divinteger division operator which discards the remainder
mod integer remainder after integer division
The following ISO notational conventions are used.
0,2
a comma between digits separates the integer from the decimal fraction (e.g. 0,2 equals 2/10)except when used as an(n,k) designation
12345a space between digits indicates factors of a thousand
4symbol description
4.1Basic characteristics
A GS1 Composite symbol consists of a linear component associated with an adjacent 2D component. Thecharacteristics of the GS1 Composite symbology are: